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From paving local roads to pioneering the world’s greenest reinforced concrete: how one engineer solidified her career in tunnels

From paving local roads to pioneering the world’s greenest reinforced concrete: how one engineer solidified her career in tunnels

Carola Edvardsen is one of the world’s leading concrete experts, specialised in major international bridge, tunnel and marine projects. But getting to this point was no easy feat and she had ... More Information

Robbins EPB and Conveyors complete complex Lot 5 at Emisor Oriente

Robbins EPB and Conveyors complete complex Lot 5 at Emisor Oriente

Powerful TBM proves itself in both soft ground and hard rock.  On February 28, 2019 a ceremony was held to mark the breakthrough of a machine proven in both soft ground and hard rock. The ... More Information

West Gate Tunnel Project Graduate Program

West Gate Tunnel Project Graduate Program

The 2020 Graduate Program is now open for the Major Transport Infrastructure Authority. If you’re looking for an opportunity to get involved in Victoria’s Big Build in Melbourne ... More Information

Stockholm Metro extension

Stockholm is one of the fastest growing metropolitan regions in Europe. The population is increasing by 35,000 a year. Stockholm needs more housing and better public transportation and as a result ... More Information

TELT – approves call for tenders for French side of the tunnel

On the 11th of March 2019 the board of TELT, the Italian-French company building the tunnel for the Turin-Lyon high-speed rail link, approved the call for tenders for the tunnel, on the French ... More Information

Cool Reflections for Overheating Metros!

Cool Reflections for Overheating Metros!

“Why paint trains with high-performance solar reflective paint ..... .....and fit low emissivity glass windows?” (N.B. The focus of this document is on mixed surface and sub-surface ... More Information

Bergen Point WWTP TBM ready to be shipped to New York

Bergen Point WWTP TBM ready to be shipped to New York

The existing outfall pipe at the Bergen Point Waste Water Treatment Plant (WWTP) in Babylon, Suffolk County, NY, has to be replaced. A 4.33 km (14,200-foot) tunnel, with a 3.05 m (120-inch) inner ... More Information

Sanierungstunnel Belchen - Bi-Component Mixing Plant

Sanierungstunnel Belchen - Bi-Component Mixing Plant

The Belchen Tunnel, built in the 1970s, had to be rehabilitated due to damage to the tunnel support structure. In order to keep the traffic restrictions to a minimum, the Belchen rehabilitation ... More Information

Beyond Tunnelling - a manifesto for national action groups

Through the initiative of ITACUS, THINK DEEP groups have been established in recent years or are in the process of being established in several countries. These groups aim at raising awareness of ... More Information

Westgate update

Assembly is underway on the first of the two TBMs that will build the West Gate Tunnel, the Victoria’s alternative to the West Gate Bridge. It will take around 75,000 working hours to assemble ... More Information

Swiss Tunnel Database

Are you interested in finding out comprehensive information about all the tunnels that have been built in Switzerland? Use this link ... More Information

EnigmaCG’s Tunnels 10x10x10

EnigmaCG’s Tunnels 10x10x10

EnigmaCG’s Tunnels 10x10x10 The number 10, for EnigmaCG symbolises us being10 years old. For you it means the first 10 Delegates get a 10% discount for the 4th Annual Innovation in ... More Information

TELT - February

TELT - February

The excavation of the French Saint-Martin-la-Porte construction site (SMP4) with the Fedrica TBM exceeded 77% of the 9 km planned by the end of February. Also in February, the target of 30 m/day ... More Information

Crossrail update

Crossrail update

Dynamic Testing has now commenced for the Crossrail Project. Testing is being carried out through the 21 km of new tunnels under central London. Over the next 6 months all the railway’s ... More Information

EUROCK 2020 – Call for papers

EUROCK 2020, is the international symposium of the ISRM, and will be taking place at the Clarion Hotel & Congress in Trondheim from June 15th to 19th 2020. The EUROCK 2020 Program Committee ... More Information

Breakthrough for Sofia Metro Extension Project

On the 27.02.2019 the Dogus Construction-Via Group Construct-Ultrastroy Joint Venture, completed the 5978 m tunnel using a TBM for the Sofia Metro Extension Project Line3, Lot 4 in Bulgaria. The ... More Information

iPS opens offices in Saudi Arabia and Bahrain

iPS opens offices in Saudi Arabia and Bahrain

iPS – Powerful people has opened a local office in Al Khobar, Saudi Arabia and in Manama, Bahrain. iPS is constantly looking for new opportunities to grow and expand our current business ... More Information

ACCIONA Press Release

ACCIONA Press Release

The high-speed rail project will connect the city of Oslo with the town of Ski via twin 19.5 km tunnels, the longest in Scandinavia. 28 February 2019- ACCIONA and Ghella have completed ... More Information

First TERRATEC TBM breaks through on Mumbai Metro

First TERRATEC TBM breaks through on Mumbai Metro

The first of seven TERRATEC TBMs being used on Mumbai Metro’s highly anticipated 33.5km underground Line 3 corridor, in India, breaks through on its inaugural drive. In mid-February, TERRATEC ... More Information

"Victory Boogie Woogie” tunnel completed

"Victory Boogie Woogie” tunnel completed

TBM Catherina-Amalia broke through on the 10th of January 2019 to complete the Victory Boogie Woogie tunnel in the Hague. The TBM was 80 metres long and 11 meters in diameter and bored a tunnel ... More Information

Bucharest M6 metro line

In February 2019 the European Commission (EC) endorsed the EUR 517 million funding dedicated to a section of  the M6 metro line planned to link the Bucharest airport  ( Henri Coanda in ... More Information

Double breakthrough for the Follo Line

On 26.02.2019 at 14h00 Bane NOR reached an important milestone with the final double breakthrough on the Follo Line project. Anna and Magda, the last two of the 4 Follo Line TBMs broke through at ... More Information

Robbins Webinar - Rapid Excavation: How to Speed up Your TBM Tunnel

Robbins Webinar - Rapid Excavation: How to Speed up Your TBM Tunnel

In this complimentary 40-minute webinar, Robbins Engineering Director Brad Grothen and Elisa Comis, Associate at McMillen Jacobs, will discuss what rapid excavation really looks like in the field. ... More Information

M4 Metro Line breakthrough

M4 Metro Line breakthrough

On the 25.02.2019 the second of the two TBMs that are excavating the tunnels of the Western Section of the M4 in Milan reached Frattini Station. In only 22 days the TBM excavated approximately 570 ... More Information

Thames Tideway Super Sewer

Thames Tideway Super Sewer

Rachel, the TBM digging the west section of the Thames Tideway Tunnel, has been lowered 35 m down the shaft at Tideway's Carnwath Road site in Fulham. Over the coming months, she will begin her ... More Information

WTC 2019

WTC 2019

THE WORLD TUNNEL CONGRESS 2019 IN NAPLES, ITALY FROM MAY 3RD TO MAY 9TH 2019. The whole underground industry will meet in Naples to study and discuss the state of art of tunnelling in connection ... More Information

6th Breakthrough on Mumbai Metro 3

6th Breakthrough on Mumbai Metro 3

On the 20.02.2019 Mumbai Metro 3 Colaba-Bandra-SEEPZ corridor achieved a 6th TBM breakthrough at Sahar Road Metro station, which is being built under Mumbai’s crucial Tansa water ... More Information

STUVA Expo 2019 - 150 exhibitors already registered!

STUVA Expo 2019 - 150 exhibitors already registered!

STUVA Expo 2019 - one of the world's leading and largest events in the tunnel. The current demand to exhibit at STUVA Expo 2019 in Frankfurt am Main again indicates a strong participation. Already ... More Information

4th TBM for the Grand Paris Express

4th TBM for the Grand Paris Express

On the 7th of February the shield for the fourth TBM, which will drive 3.4 km of the Line 15 South for the Grand Paris Express was lowered into place. The TBM will begin its journey at what will ... More Information

Press release for BBT

Press release for BBT

Breakthrough in the Tulfes–Pfons section - On February 12th, 2019, the last breakthrough by blasting took place in the Tulfes-Pfons section. On that occasion, a small ceremony was held for ... More Information

TELT update

Paris, 19 February 2019 - The Board of Directors of TELT (the public promoter entrusted by Italy and France with the construction of the cross-border section of the Lyon-Turin railway line), ... More Information

Undersea tunnel planned for Cua Luc Bay in Vietnam

Undersea tunnel planned for Cua Luc Bay in Vietnam

The People’s Committee in the northern province of Quang Ninh want to build an undersea tunnel at Cua Luc Bay. They have submitted the pre-feasibility report to Prime Minister Nguyen Xuan ... More Information

Robbins Crossover TBM completes Turkey’s Longest Water Tunnel

Robbins Crossover TBM completes Turkey’s Longest Water Tunnel

Excavation of Turkey’s longest water tunnel came to an end on December 18, 2018. To get there, a 5.56 m (18.2 ft) diameter Robbins Crossover (XRE) TBM and the contractor JV of Kolin/Limak had ... More Information

ITACET Training Courses during WTC2019

ITACET Training Courses during WTC2019

Two ITACET training sessions will be organized on the 3rd and 4th of May during WTC2019. •             Tunnelling 4.0 information ... More Information

Struma Motorway - Lot 3.2.1 update

There have been ten offers for the design and construction of the 13.2 km Struma motorway in the 23.6 km section between Kresna and Krupnik, through the Kresna Gorge (Lot 3.2.1). The Lot 3.2.1 ... More Information

News from Australia’s longest road tunnel project

News from Australia’s longest road tunnel project

The last truck of spoil excavated from the NorthConnex tunnel was delivered to Hornsby Quarry on 25.01.2019. More than one million cubic metres of spoil was placed to partially fill the quarry, ... More Information

Tunnelling News

Judge rejects challenge to £1.7bn Stonehenge Tunnel

The High Court has thrown out a case brought by campaigners against the £1.7bn Stonehenge Tunnel project. Mr Justice Holgate said most of the ... More Information

9 of the longest underwater tunnels in the world

These stations are the first railway stations constructed under the sea and serve as emergency escape points in case of a disaster. Today, the Seikan ... More Information

EPC contractors sought for Dubai's £17bn sewer tunnels project

The strategic sewerage tunnels project by Dubai Municipality known as the Deep Tunnels Portfolio will involve the construction of wastewater assets ... More Information

The $7BN Mega-Tunnels You've Never Heard Of

But thanks to some incredible underground construction methods, Antwerp is now on course to complete a massive piece of infrastructure it's been ... More Information

3 listed & 2 Unlisted get LOA to build Mumbai Coastal Road Ext

The underground tunnel will run below Malad and Kandivali through the Mangrove creeks and a tunnel boring machine (TBM) will be used for this phase. More Information

New tunnel planned to under the Thames at Tilbury and Gravesend

ianVisits ... tunnel (c) National Grid. Construction will be done by a conventional tunnel boring machine (TBM), which will launch from a 41-metre deep shaft dug ... More Information

Third tunnel breakthrough on Guildford sewage works

A micro-TBM recently broke through on a new tunnel being built for Thames Water's project to relocate sewage treatment works in Guildford. More Information

Japan maglev train project being derailed by Shizuoka stalemate

Opposition in Shizuoka Prefecture emerged from fears the planned tunnel construction for the line could adversely affect the overall volume of water ... More Information

World's most expensive tunnel that ended up costing a whopping £2.3m a day to build

Over 5000 construction workers were employed to complete the Central Artery/Tunnel Project in the United States. More Information

Underground or Elevated Metro Rail – Which One is Better for India?

The cost of tunnel boring machines (TBM) is another significant component. The tunneling cost can be reduced by making longer tunnel contract ... More Information

From Undersea Tunnel To Station Redevelopment

The NHSRCL will construct an adjoining tunnel location as part of the package. To construct this tunnel, the Tunnel Boring Machines (TBMs) with a ... More Information

Second tunnel boring machine for Broadway Subway reaches South Granville Station

The tunnel boring machines will end their journey just before Arbutus Station, which spans two city blocks, with the west block used as the footprint ... More Information

BESIX-MTH awards Nordhavn work to Bravida

... construction of the Nordhavn Tunnel. By & Havn is tasked with developing Ørestad and the port of Copenhagen and runs the daily operations of the ... More Information

After India's first undersea tunnel, Mumbai to get its longest intra-city underground road

... construction with viaducts and modern safety measures. The Coastal Road tunnel is India's first undersea tunnel, constructed using a 12-metre ... More Information

3,200 tonne TBM delivered to France-Italy rail tunnel project

A tunnel boring machine (TBM) manufactured by German tunnelling and mining firm Herrenknecht has been delivered to the Lyon-Turin Mont Cenis base ... More Information

FPT Industrial engines power the construction of the longest immersed tunnel in the world

The construction of the Fehmarnbelt tunnel is an important addition to Europe's sustainable transport network of the future. It will offer the ... More Information

Work resumes at Silkyara tunnel after 2 months

On the instructions of the Union Ministry of Road Transport and Highways, construction work of protective nature has begun from both Barkot and ... More Information

Webuild Joint Venture awarded Pape Tunnel and Underground Stations Progressive DB contract

Webuild will lead a joint venture to develop the project for the "Pape Tunnel and Underground Stations (PTUS)" section of the Ontario Line, the new rapid transit line that will run through ... More Information

Third Tunnel Boring Machine Lowered at Panagal Park

In a significant milestone for the Chennai Metro Phase 2 project, the third Tunnel Boring Machine (TBM) has been successfully lowered at the ... More Information

T2D Project benefits

Adelaide is the country's only mainland capital city without a non-stop motorway in its metropolitan area. The existing transport network is struggling to meet demand, with more than ... More Information

LONDON'S SUPER SEWER: A last visit to the tunnels

With shafts being capped off across the #SuperSewer project, CEO Andy Mitchell paid a visit to Chambers Wharf in Bermondsey for what could be the last time he sees the vast tunnel ... More Information

SKATE Competence Matrix for Tunnelling

The Tunnelling SKATE matrix consolidates best practice and benchmarks the role levels and Skills, Knowledge, Attitude, Training and Experience criteria for most occupations involved in ... More Information

Casablanca, Madrid and the Strait of Gibraltar tunnel megaproject

The Strait of Gibraltar tunnel megaproject is one of the few engineering projects in the world with the capacity to change the geopolitical order and relations between Europe and Africa... More Information

Metrolinx - inside the tunnel

Metrolinx is sharing a rare look inside the record-breaking tunnel currently being carved out for the 7.8-kilometre Scarborough Subway Extension (SSE) project... More Information

HS2 Project Update, January 2024

HS2 is preparing to enter a critical new phase with the development of state-of-the-art rail systems that will allow passengers to enjoy some of the world’s most reliable intercity train ... More Information

Kalpataru Projects International bags orders worth Rs 3244 crore

TBM (tunnel boring machine) tunnelling scope. Advt. According to a statement, Kalpataru Projects International Ltd (KPIL) along with its joint ... More Information

UK's HS2 High-speed Rail Nears $6B Fit-out Phase

... tunnels. Under the Chiltern Hills, around 25 miles from London, two tunnel boring machines have completed 90% of the project's longest drives, of ... More Information

Akron gets approval for smaller Northside Interceptor Tunnel, but more work planned

He said the tunnel boring machine, which must be custom-built, has been put on order. "We had to bid this project by a certain date," he said ... More Information

Shimla introduces modern tunnel

Shimla, the picturesque capital of Himachal Pradesh, has unveiled a state-of-the-art tunnel, replacing a historic passage that served for 171 ... More Information

Launch of work for India's first undersea tunnel milestone in 2023 for bullet train project

... construction, the statement said. Civil works for stations have started along with works on Surat and Sabarmati high-speed rail depots. The ... More Information

Shimla's Sanjauli-Dhalli Tunnel Is Now Open; 26 More Tunnel Projects for the Himalayan Region

For enhanced connectivity and safer infrastructure, Himachal Pradesh Chief Minister Sukhvinder Singh Sukhu inaugurated the newly constructed ... More Information

Construction firms sign $174M contract to work on Howard Street Tunnel improvement project

Swedish company Skanska and Illinois-based Fay Construction Co. have signed a $174 million contract with CSX Transportation for the Howard Street ... More Information

Sub sea tunnel opening in the Faroe Island

The Sandoyatunnel was opened for the public. The tunnel is the last of the two tunnels in the Eysturoy - Sandoy project. Each of the tunnels are around 11 km in length and the project is a ... More Information

Waterfront Tunnel

Today, the Waterfront Tunnel stretches from AlexRenew to the end of King Street, over 150 feet below the Potomac riverbed. Only a few more blocks to go in her 2-mile-long, waterway-saving ... More Information

Mechanical Earthworm: The Wonders of the TBM in Action

Welcome back to another installment in our series on the Ritom Power Plant refurbishment. Today, we delve into how the Tunnel Boring Machine (TBM) used in the project operates. ... More Information

HRBT Expansion Project

Follow HRBT Expansion Project Director, Ryan Banas for the Fall 2023 Project Tour Video as he takes us on an inside look at progress, plans, and construction updates across the corridor... More Information

Tunnels and Underground Works for Pumped Storage Hydropower Projects: Challenges and Opportunities Panel Discussion

The NSW ATS invites all members, non-members and students to participate in this captivating hybrid (in person and webinar) panel discussion centred on the challenges and opportunities for ... More Information

Lower Thames Crossing, Driving Carbon out of Construction

In December 2023, we brought together our Delivery Partners and a large cross section of the UK construction industry to share our plans to drive carbon out of the construction of the ... More Information

HS2 tunnel segments on the move from Hartlepool to London

Deliveries of HS2’s tunnel segments have begun from Hartlepool, using the UK’s rail network to minimise road traffic and drastically reduce carbon emissions. STRABAG, the company ... More Information